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发明名称
Winch construction
摘要
申请公布号
US2270507(A)
申请公布日期
1942.01.20
申请号
US19390305224
申请日期
1939.11.20
申请人
HUGH A. HUTCHINS
发明人
CLARK GERALD I.
分类号
B66D1/26
主分类号
B66D1/26
代理机构
代理人
主权项
地址
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